github-pr-summary

github-pr-summary

Use LLM to summarize & review GitHub Pull Requests

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github-pr-summary is a bot designed to summarize GitHub Pull Requests, helping open source contributors make faster decisions. It automatically summarizes commits and changed files in PRs, triggered by new commits or a magic trigger phrase. Users can deploy their own code review bot in 3 steps: create a bot from their GitHub repo, configure it to review PRs, and connect to GitHub for access to the target repo. The bot runs on flows.network using Rust and WasmEdge Runtimes. It utilizes ChatGPT/4 to review and summarize PR content, posting the result back as a comment on the PR. The bot can be used on multiple repos by creating new flows and importing the source code repo, specifying the target repo using flow config. Users can also change the magic phrase to trigger a review from a PR comment.

README:

Agent to summarize Github PRs

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Deploy this function on flows.network, and you will get an AI agent to review and summarize GitHub Pull Requests. It helps busy open source contributors understand and make decisions on PRs faster! Here are some examples. Notice how the code review bot provides code snippets to show you how to improve the code!

We recommend you to use a Gaia node running an open source coding LLM as the backend to perform PR reviews and summarizations. You can use a community node or run a node on your own computer!

Still not convinced? See "potential problems 1" in this review, it identified an inefficient Rust implementation of an algorithm.

This bot summarizes commits in the PR. Alternatively, you can use this bot to review changed files in the PR.

How it works

This flow function will be triggered when a new PR is raised in the designated GitHub repo. The flow function collects the content in the PR, and asks ChatGPT/4 to review and summarize it. The result is then posted back to the PR as a comment. The flow functions are written in Rust and run in hosted WasmEdge Runtimes on flows.network.

  • The PR summary comment is updated automatically every time a new commit is pushed to this PR.
  • A new summary could be triggered when someone says a magic trigger phrase in the PR's comments section. The default trigger phrase is "flows summarize".

Deploy your own code review bot in 3 simple steps

  1. Create a bot from template
  2. Connect to an LLM
  3. Connect to GitHub for access to the target repo

0 Prerequisites

You will also need to sign into flows.network from your GitHub account. It is free.

1 Create a bot from template

Create a flow function from this template. It will fork a repo into your personal GitHub account. Your flow function will be compiled from the source code in your forked repo. You can configure how it is summoned from the GitHub PR.

  • trigger_phrase : The magic words to write in a PR comment to summon the bot. It defaults to "flows summarize".

Click on the Create and Build button.

Alternatively, fork this repo to your own GitHub account. Then, from flows.network, you can Create a Flow and select your forked repo. It will create a flow function based on the code in your forked repo. Click on the Advanced button to see configuration options for the flow function.

2 Connect to an LLM

Configure the LLM API service you want to use to summarize the PRs.

  • llm_api_endpoint : The OpenAI compatible API service endpoint for the LLM to conduct code reviews. We recommend the Codestral Gaia node: https://codestral.us.gaianet.network/v1
  • llm_model_name : The model name required by the API service. We recommend the following model name for the above public Gaia node: codestral
  • llm_ctx_size : The context window size of the selected model. The Codestral model has a 32k context window, which is 32768.
  • llm_api_key : Optional: The API key if required by the LLM service provider. It is not required for the Gaia node.

Click on the Continue button.

3 Connect to GitHub for access to the target repo

Next, you will tell the bot which GitHub repo it needs to monitor for upcoming PRs to summarize.

  • github_owner: GitHub org for the repo you want to summarize PRs
  • github_repo : GitHub repo you want to summarize PRs

Let's see an example. You would like to deploy the bot to summarize PRs on WasmEdge/wasmedge_hyper_demo repo. Here github_owner = WasmEdge and github_repo = wasmedge_hyper_demo.

Finally, the GitHub repo will need to give you access so that the flow function can access and summarize its PRs! Click on the Connect or + Add new authentication button to give the function access to the GitHub repo. You'll be redirected to a new page where you must grant flows.network permission to the repo.

Click on Deploy.

Wait for the magic!

This is it! You are now on the flow details page waiting for the flow function to build. As soon as the flow's status became running, the bot is ready to give code reviews! The bot is summoned by every new PR, every new commit, as well as magic words (i.e., trigger_phrase) in PR comments.

FAQ

Use the bot on multiple repos

You can manually create a new flow and import the source code repo for the bot (i.e., the repo you cloned from the template). Then, you can use the flow config to specify the github_owner and github_repo to point to the target repo you need to deploy the bot on. Deploy and authorize access to that target repo.

You can repeat this for all target repos you would like to deploy this bot on.

You could have a single flow function repo deployed as the source code for multiple bots. When you update the source code in the repo, and push it to GitHub, it will change the behavior of all the bots.

Change the magic phrase

Go to the "Settings" tab of the running flow function for the bot, you can update the trigger_phrase config. The value of this config is the magic phrase the user will say to trigger a review from a PR comment.

Credits

This flow function is originally created by Jay Chen, and jinser made significant contributions to optimize the event triggers from GitHub.

GPT Nitro for Github PR - A ChatGPT-based reviewer for your GitHub pull requests | Product Hunt

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